package cn.com.ninng.common;

import cn.com.ninng.Problem2;

/**
 * @author liulekang
 * @createdate 2021/7/21
 */
public class ListNode {


    public int val;
    public ListNode next;

    ListNode() {
    }

    public ListNode(int val) {
        this.val = val;
    }

    public ListNode(int val, ListNode next) {
        this.val = val;
        this.next = next;
    }
}
